Dark Glueball Direct Detection
Ji-Wei Li, Roman Pasechnik, Wei Wang, Zhi-Wei Wang

TL;DR
This paper explores glueball dark matter in a Yang-Mills sector, developing an effective theory to predict direct detection signals and connecting theoretical parameters with experimental sensitivities.
Contribution
It introduces a controlled effective field theory framework for glueball dark matter, providing quantitative predictions for direct detection cross sections and collider-compatible UV completions.
Findings
The spin-independent cross section scales steeply with $\Lambda_D$ and $m_\psi$.
Current xenon experiments can probe $m_\psi$ in the 3-30 GeV range.
A minimal UV completion compatible with collider data is proposed.
Abstract
We consider glueball dark matter (DM) in a Yang-Mills dark sector confined at scale and coupled to the Standard Model through electrically and dark-color charged vector-like fermion portals, with the mass scale . In a simple case with two lightest mass-degenerate vector-like fermions with opposite electric charges the effective amplitudes with one -odd glueball (oddball) and odd number of photons vanish, rendering the lightest -odd spin-1 state with mass a viable DM candidate provided that . We develop a controlled effective field theory framework with non-perturbative information supported by QCD phenomenology leading to a quantitative prediction for coherent elastic glueball scattering off nuclei. We find a steep scaling of the spin-independent cross section . This…
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Taxonomy
TopicsDark Matter and Cosmic Phenomena · Particle physics theoretical and experimental studies · Atomic and Subatomic Physics Research
